package com.webserver.http;

import java.io.IOException;
import java.io.InputStream;
import java.net.Socket;
import java.util.HashMap;
import java.util.Map;

public class HttpServletRequest {
    private Socket socket;


   private String method;
   private String uri;
   private String protocol;

    private Map<String, String> headers = new HashMap<>();

    public HttpServletRequest(Socket socket) throws IOException {
        this.socket = socket;
        parseRequestLine();
        parseHeaders();;
        parseContent();

    }

    private void parseRequestLine() throws IOException {
        String line = readLine();
        System.out.println(line);

        String[] data = line.split("\\s");
        method = data[0];
        uri = data[1];
        protocol = data[2];
//测试路径:http://localhost:8088/myweb/index.html
        System.out.println("method:" + method);
        System.out.println("uri:" + uri);
        System.out.println("protocol:" + protocol);
    }

    private void parseHeaders() throws IOException {

        while (true) {
           String line = readLine();
            if (line.isEmpty()) {
                break;
            }
            System.out.println(line);
            String[] data = line.split(":\\s");
            headers.put(data[0].toLowerCase(), data[1]);

        }

        System.out.println(headers);
    }

    private void parseContent() {
    }


    private String readLine() throws IOException {
        InputStream in = socket.getInputStream();
        int d;
        char cur = 'a', pre = 'a';
        StringBuilder builder = new StringBuilder();

        while ((d = in.read()) != -1) {
            cur = (char) d;
            if (pre == 13 && cur == 10) {
                break;
            }
            builder.append(cur);
            pre = cur;
        }
        return builder.toString().trim();
    }

    public String getMethod() {
        return method;
    }

    public String getUri() {
        return uri;
    }

    public String getProtocol() {
        return protocol;
    }

    public String getHeaders(String name) {
        return headers.get(name);
    }


}













